export interface ILoadScriptOptions {
    version?: string;
    url?: string;
    css?: string | boolean;
    insertCssBefore?: string;
}
export declare function setDefaultOptions(options?: ILoadScriptOptions): void;
export declare function getScript(): HTMLScriptElement;
export declare function isLoaded(): any;
export declare function loadScript(options?: ILoadScriptOptions): Promise<HTMLScriptElement>;